@incollection{more1978levenberg,
  title     = {The Levenberg-Marquardt algorithm: implementation and theory},
  author    = {Mor{\'e}, Jorge J},
  booktitle = {Numerical analysis},
  pages     = {105--116},
  year      = {1978},
  publisher = {Springer}
}
@article{spedicato1988numerical,
  title     = {Numerical experiments with variations of the Gauss-Newton algorithm for nonlinear least squares},
  author    = {Spedicato, E and Vespucci, Maria Teresa},
  journal   = {Journal of optimization theory and applications},
  volume    = {57},
  number    = {2},
  pages     = {323--339},
  year      = {1988},
  publisher = {Springer}
}
@misc{RN16,
  author = {washington university},
  year = {2000},
  url = {http://grail.cs.washington.edu/projects/bal/},
  urldate = {March 9, 2017},
  title = {Bundle Adjustment in the Large}
}